Vulnerability · Published May 3, 2024 · Assigned by zdi

CVE-2023-42056PDF-XChange Editor U3D File Parsing Uninitialized Variable Information Disclosure Vulnerability

Low 3.3

In plain English

A low-severity security flaw in PDF-XChange Editor from PDF-XChange. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.0)3.3Low

Exploit odds (30 days)0.5%top 59.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

PDF-XChange Editor U3D File Parsing Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of U3D files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-20929.

Affected products (as reported)

Vendor	Product	Versions
PDF-XChange	PDF-XChange Editor	9.5.368.0

Weakness: CWE-457 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

ZDI-23-1364 x_research-advisory
vendor-provided URL vendor-advisory